氧枪是氧气预吹转炉的重要设备。
通过采用控制出钢终点碳和预脱氧，加强精炼脱氧和出钢软吹，做好保护浇注等措施，降低了钢中氧含量。
The measures of controlling aim carbon content and pre-deoxidation, consolidating refining deoxidation and light blow after steel tapping, protective casting, etc.
局部加热源向心地加热垂直的玻璃预成型体，同时用压缩空气吹制加热的玻璃以使其膨胀。
A localized heat source centripetally heats a vertical glass pre-form, while a pressurized air source blows the heated glass to expansion.
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